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CADILLAC CATERA
MODEL YEAR(S
CATERA 1997-2001
KEY T-HARNESS IMMOBILIZER
GM KEY-1 N/A GM's TRANSPONDER ANTI-THEFT System, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER BLACK/RED (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 BROWN (+) @ IGNITION SWITCH HARNESS
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 BROWN (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) BROWN/WHITE (-) or RED/WHITE (-) @ BCM, 32-Pin Plug, See NOTE #2
PARKING LIGHTS ( + ) GRAY/GREEN (+) @ the PARKING LIGHT RELAY, See NOTE #3
POWER LOCK BLACK/BROWN (TYPE B) @ BCM, 24 Pin PLug, Pin A8, See NOTE #2
POWER UNLOCK BLACK/PURPLE (TYPE B) @ BCM, 24 Pin Plug, Pin A6, See NOTE #2
LOCK MOTOR WIRE BLACK/YELLOW (5-WIRE TYPE) @ DOOR LOCK RELAYS, behind BCM
DOOR TRIGGER GRAY (-) @ BCM, 24 Pin Plug, Pin B2, See NOTE #2
DOMELIGHT SUPERVISION USE DOOR TRIGGER
TRUNK RELEASE BLACK/RED (5-Wire) See NOTE #4, (Requires #775 Relay) @ RELAY, BEHIND BCM 14301_CATERA_GM 5-WIRE TRUNK POP DIAGRAM.pdf
SLIDING POWER DOOR N/A
HORN BROWN/WHITE (-) @ BCM, 32 Pin Plug, Pin C4, See NOTE #2
TACH GREEN (AC) @ ECM, See NOTE #5
WAIT TO START LIGHT N/A
BRAKE BLACK/YELLOW (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM BROWN/PURPLE (-) @ BCM, 24 Pin Plug, Pin A3, See NOTE #2
ANTI-THEFT GM's TRANSPONDER SYSTEM, See NOTE #1 @ IGNITION SWITCH TUMBLER
NOTES
NOTE #1: This vehicle is equipped with GM'S TRANSPONDER ANTI-THEFT SYSTEM and Requires

791 Bypass Module and an Extra Ignition Key for Remote starting operation.



to order go to the SECURITY BYPASS MODULE Page on this website.







NOTE #2: the BCM is located in the PASSENGER KICK PANEL.







NOTE #3: the PARKING LIGHT Relay is located to the RIGHT of the STEERING COLUMN.







NOTE #4: the TRUNK Rlease System on this vehicle uses a 5-Wire Circuit that will require

an extra Relay part #775, to connect See DIAGRAM.





NOTE #5: the ECM is located in FRONT of the Driver Strut tower, the TACH wire is in the 80 pin

plug.
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